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[tor-bugs] #4626 [Tor Directory Authority]: Very high cpu usage for gabelmoo running master
#4626: Very high cpu usage for gabelmoo running master
-------------------------------------+--------------------------------------
Reporter: Sebastian | Owner:
Type: defect | Status: new
Priority: normal | Milestone: Tor: 0.2.3.x-final
Component: Tor Directory Authority | Version:
Keywords: | Parent:
Points: | Actualpoints:
-------------------------------------+--------------------------------------
Hey there,
gabelmoo is seeing almost full cpu utilization lately. I'm running
openssl1 and libevent master. Traffic is at around 200KB/s, so not very
much. Here's a profile for everything over 0.5%:
{{{
samples % image name app name symbol
name
397332 26.8226 libc.so.6 libc.so.6
/home/karsten/debug/libc.so.6
210739 14.2263 libpthread.so.0 libpthread.so.0
__pthread_mutex_unlock_usercnt
157849 10.6559 libpthread.so.0 libpthread.so.0
pthread_mutex_lock
62969 4.2508 tor tor
connection_handle_write
56998 3.8477 tor tor
_openssl_locking_cb
44452 3.0008 tor tor
assert_connection_ok
38146 2.5751 tor tor
connection_bucket_write_limit
37917 2.5597 [vdso] (tgid:17627 range:0x7fffb85ff000-0x7fffb8600000)
tor [vdso] (tgid:17627
range:0x7fffb85ff000-0x7fffb8600000)
32683 2.2063 tor tor
flush_buf_tls
29224 1.9728 tor tor
connection_is_rate_limited
28245 1.9067 tor tor
connection_bucket_round_robin
25259 1.7052 tor tor
tor_tls_get_error
22309 1.5060 tor tor
tor_tls_write
21562 1.4556 tor tor
assert_buf_ok
20642 1.3935 tor tor
get_options_mutable
19521 1.3178 tor tor
approx_time
19272 1.3010 tor tor
_check_no_tls_errors
19108 1.2899 tor tor
conn_write_callback
18312 1.2362 tor tor
tor_addr_is_internal
14932 1.0080 tor tor
tor_tls_get_forced_write_size
14237 0.9611 tor tor
tor_gettimeofday_cache_clear
12501 0.8439 librt.so.1 librt.so.1
/home/karsten/debug/librt.so.1
11918 0.8045 tor tor
tor_mutex_acquire
11907 0.8038 tor tor
tor_mutex_release
11376 0.7680 tor tor
connection_bucket_refill
9770 0.6595 tor tor
connection_is_listener
9582 0.6468 tor tor
connection_is_reading
9493 0.6408 tor tor
tor_tls_state_changed_callback
9087 0.6134 tor tor
connection_is_writing
8689 0.5866 tor tor
TO_OR_CONN
7890 0.5326 tor tor
connection_state_is_connecting
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4626>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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